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UCC3588NG4 PDF预览

UCC3588NG4

更新时间： 2024-11-10 15:55:55
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理光电二极管
页数 文件大小 规格书
15页 257K
描述
IC,SMPS CONTROLLER,VOLTAGE-MODE,BICMOS,DIP,16PIN,PLASTIC

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UCC3588NG4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：DIP, DIP16,.3Reach Compliance Code：unknown
风险等级：5.84控制模式：VOLTAGE-MODE
JESD-30 代码：R-PDIP-T16端子数量：16
最高工作温度：70 °C最低工作温度：
最大输出电流：0.1 A封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP16,.3
封装形状：RECTANGULAR封装形式：IN-LINE
认证状态：Not Qualified子类别：Switching Regulator or Controllers
表面贴装：NO最大切换频率：800 kHz
技术：BICMOS温度等级：COMMERCIAL
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUALBase Number Matches：1

UCC3588NG4 数据手册

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SLUS311A – JULY 1999 – REVISED AUGUST 2000  
D, J, N AND PW PACKAGES  
(TOP VIEW)  
D
5-Bit Digital-to-Analog Converter (DAC)  
supports Intel Pentium II  
D
D
D
D
D
D
D
Microprocessor VID Codes  
VSENSE  
ISNS  
SS/ENBL  
D0  
RT  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
Compatible with 5-V or 12-V Systems  
1% Output Voltage Accuracy Ensured  
Drives 2 N-Channel MOSFETs  
VCC  
DRVLO  
DRVHI  
GND  
D1  
Programmable Frequency to 800 kHz  
Power Good OV / UV / OVP Voltage Monitor  
D2  
PWRGOOD  
D3  
10 VFB  
COMP  
Undervoltage Lockout and Softstart  
Functions  
D4  
9
D
D
D
Short Circuit Protection  
Low Impedance MOSFET Drivers  
Chip Disable  
AVAILABLE OPTIONS  
PACKAGED DEVICES  
T
J
D, 16-PIN  
J, 16-PIN  
N, 16-PIN  
UCC3588N  
PW, 16-PIN  
UCC3588PW  
0°C TO 70°C  
UCC3588D  
UCC3588J  
description  
The UCC3588 synchronous step-down (Buck) regulator provides accurate high efficiency power conversion.  
Using few external components, the UCC1588 converts 5V to an adjustable output ranging from 3.5 VDC to  
2.1 VDC in 100-mV steps and 2.05 VDC to 1.3 VDC in 50-mV steps with 1% dc system accuracy. A high level  
of integration and novel design allow this 16-pin controller to provide a complete control solution for today’s  
demanding microcontroller power requirements. Typical applications include on board or VRM based power  
conversion for Intel Pentium II microprocessors, as well as other processors from a variety of manufacturers.  
High efficiency is obtained through the use of synchronous rectification.  
The softstart function provides a controlled ramp up of the system output voltage. Overcurrent circuitry detects  
a hard (or soft) short on the system output voltage and invokes a timed softstart/shutdown cycle to reduce the  
PWM controller on time to 5%.  
The oscillator frequency is externally programmed with RT and operates over a range of 50 kHz to 800 kHz.  
The gate drivers are low impedance totem pole output stages capable of driving large external MOSFETs. Cross  
conduction is eliminated by fixed delay times between turn off and turn on of the external high side and  
synchronous MOSFETs. The chip includes undervoltage lockout circuitry which assures the correct logic states  
at the outputs during power up and power down.  
This device is available in 16-pin surface mount, plastic and ceramic DIP, and TSSOP packages. The UCC3588  
is specified for operation from 0°C to 70°C.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 2000, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...15

中文翻译

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